Single, Dual, Triple, and Quad Standard-Definition
Video Filter Amplifiers with AC-Coupled Input Buffers
MPEG
DECODER
VDD
CVBS
DAC
0.1μF
INA
CLAMP
MAX9589
LPF
AV = 2V/V
VDD
3.3V
0.1μF
GND
OUTA 75Ω
220μF
CVBS1
0.1μF
INB
VDD
LUMA
DAC
0.1μF
INC
VDD
CHROMA
DAC
0.1μF
IND
CLAMP
CLAMP
BIAS
OUTB 75Ω
220μF
LPF
AV = 2V/V
CVBS2
OUTC 75Ω
220μF
LPF
AV = 2V/V
Y
75Ω
OUTD
220μF
LPF
AV = 2V/V
C
Figure 4. AC-Coupled Outputs
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